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Re: [Qemu-devel] [PATCH v2 00/11] cpu: add i386 cpu hot remove support
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From: |
Zhi Yong Wu |
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Subject: |
Re: [Qemu-devel] [PATCH v2 00/11] cpu: add i386 cpu hot remove support |
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Date: |
Tue, 10 Feb 2015 20:38:22 +0800 |
On Fri, Feb 6, 2015 at 3:54 PM, Zhu Guihua <address@hidden> wrote:
> On Tue, 2015-02-03 at 16:41 +0800, Zhi Yong Wu wrote:
>> HI,
>>
>> Can you push the patchset to a branch on github? It will be convenient
>> for other guys to do some tests.
>
> sorry for late reply.
> I had pushed into https://github.com/zhugh/qemu.git
> The patchset is on branch cpu-hotplug.
>
> Welcome to test, Thanks.
HI,
Can you let me know why device_add can't support the vCPU with 'host' model?
>
> Regards,
> Zhu
>
>>
>> On Wed, Jan 14, 2015 at 3:44 PM, Zhu Guihua <address@hidden> wrote:
>> > This series is based on chen fan's previous i386 cpu hot remove patchset:
>> > https://lists.nongnu.org/archive/html/qemu-devel/2013-12/msg04266.html
>> >
>> > Via implementing ACPI standard methods _EJ0 in ACPI table, after Guest
>> > OS remove one vCPU online, the fireware will store removed bitmap to
>> > QEMU, then QEMU could know to notify the assigned vCPU of exiting.
>> > Meanwhile, intruduce the QOM command 'device_del' to remove vCPU from
>> > QEMU itself.
>> >
>> > The whole work is based on the new hot plug/unplug framework, ,the unplug
>> > request
>> > callback does the pre-check and send the request, unplug callback does the
>> > removal handling.
>> >
>> > This series depends on tangchen's common hot plug/unplug enhance patchset.
>> > [RESEND PATCH v1 0/5] Common unplug and unplug request cb for memory and
>> > CPU hot-unplug
>> > https://lists.nongnu.org/archive/html/qemu-devel/2015-01/msg00429.html
>> >
>> > The is the second half of the previous series:
>> > [RFC V2 00/10] cpu: add device_add foo-x86_64-cpu and i386 cpu hot remove
>> > support
>> > https://lists.nongnu.org/archive/html/qemu-devel/2014-08/msg04779.html
>> >
>> > If you want to test the series, you need to apply the 'device_add
>> > foo-x86_64-cpu'
>> > patchset first:
>> > [PATCH v3 0/7] cpu: add device_add foo-x86_64-cpu support
>> > https://lists.nongnu.org/archive/html/qemu-devel/2015-01/msg01552.html
>> >
>> > ---
>> > Changelog since v1:
>> > -rebase on the latest version.
>> > -delete patch i386/cpu: add instance finalize callback, and put it into
>> > patchset
>> > [PATCH v3 0/6] cpu: add device_add foo-x86_64-cpu support.
>> >
>> > Changelog since RFC:
>> > -splited the i386 cpu hot remove into single thread.
>> > -replaced apic_no with apic_id, so does the related stuff to make it
>> > work with arbitrary CPU hotadd.
>> > -add the icc_device_unrealize callback to handle apic unrealize.
>> > -rework on the new hot plug/unplug platform.
>> > ---
>> >
>> > Chen Fan (2):
>> > x86: add x86_cpu_unrealizefn() for cpu apic remove
>> > cpu hotplug: implement function cpu_status_write() for vcpu ejection
>> >
>> > Gu Zheng (5):
>> > acpi/cpu: add cpu hot unplug request callback function
>> > acpi/piix4: add cpu hot unplug callback support
>> > acpi/ich9: add cpu hot unplug support
>> > pc: add cpu hot unplug callback support
>> > cpus: reclaim allocated vCPU objects
>> >
>> > Zhu Guihua (4):
>> > acpi/piix4: add cpu hot unplug request callback support
>> > acpi/ich9: add cpu hot unplug request callback support
>> > pc: add cpu hot unplug request callback support
>> > acpi/cpu: add cpu hot unplug callback function
>> >
>> > cpus.c | 44 ++++++++++++++++++++
>> > hw/acpi/cpu_hotplug.c | 88
>> > ++++++++++++++++++++++++++++++++++++---
>> > hw/acpi/ich9.c | 17 ++++++--
>> > hw/acpi/piix4.c | 12 +++++-
>> > hw/core/qdev.c | 2 +-
>> > hw/cpu/icc_bus.c | 11 +++++
>> > hw/i386/acpi-dsdt-cpu-hotplug.dsl | 6 ++-
>> > hw/i386/kvm/apic.c | 8 ++++
>> > hw/i386/pc.c | 62 +++++++++++++++++++++++++--
>> > hw/intc/apic.c | 10 +++++
>> > hw/intc/apic_common.c | 21 ++++++----
>> > include/hw/acpi/cpu_hotplug.h | 8 ++++
>> > include/hw/cpu/icc_bus.h | 1 +
>> > include/hw/i386/apic_internal.h | 1 +
>> > include/hw/qdev-core.h | 1 +
>> > include/qom/cpu.h | 9 ++++
>> > include/sysemu/kvm.h | 1 +
>> > kvm-all.c | 57 ++++++++++++++++++++++++-
>> > target-i386/cpu.c | 46 ++++++++++++++++++++
>> > 19 files changed, 378 insertions(+), 27 deletions(-)
>> >
>> > --
>> > 1.9.3
>> >
>> >
>>
>>
>>
>
>
--
Regards,
Zhi Yong Wu